我心似海愿你溺死在海
[wŏ xīn sì hăi yuàn nĭ nì sĭ zài hăi]
Translating closely, this means “My heart is like an ocean, I wish you to drown in the sea”. A dramatic expression conveying deep, overwhelming love (to a point of self-destruction), or a bitter wish toward someone, depending on context and relationship of speaker to listener.